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PDFops.dev
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Anvil PDF Filling API
PDFops is a hosted PDF API built for edge runtimes (Cloudflare Workers, Vercel Edge, Deno, Bun). Two endpoints, one HTTP call each:
What's different from cloud PDF platforms: no headless browser, no native binaries, and deterministic, byte-identical output for the same input โ so you can hash, cache, diff, and sign the result. It's callable directly from an edge function: POST a template plus data, get bytes back.
Built for developers and AI apps that need to write PDFs programmatically without operating a rendering service. Free tier: 100 requests/month per IP, no signup. Pro: $16 for 4,000 calls ($0.004/call) โ about 25ร cheaper per call than incumbent hosted APIs.
Also free, no signup: a PDF field Inspector (paste a PDF, see its AcroForm fields) and a live playground.
Google Forms
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PDFops.dev's answer:
PDFops started from a recurring edge-runtime pain: nearly every PDF API assumes a server with a headless browser or native libraries, which you cannot run inside a V8 isolate like Cloudflare Workers or Vercel Edge. PDFops is the deterministic write-and-merge primitive built for that environment โ one HTTP call, predictable bytes out.
PDFops.dev's answer:
TypeScript on the Hono web framework, with a pure-JavaScript PDF engine (a maintained pdf-lib fork) and no native dependencies. That combination runs inside V8 isolates, which is what lets PDFops execute on edge runtimes such as Cloudflare Workers and Vercel Edge.
PDFops.dev's answer:
No per-call tax: $0.004 per call versus the ~$0.10 typical of incumbent hosted PDF APIs (~25ร cheaper). It runs at the edge instead of round-tripping to a vendor cloud, the output is deterministic (hashable and cacheable), and there is a free, no-signup tier plus a PDF field Inspector for exploring a documentโs AcroForm fields before writing any code.
PDFops.dev's answer:
Deterministic, byte-identical PDF output from a single HTTP call โ and it runs from edge runtimes (Cloudflare Workers, Vercel Edge, Deno, Bun) with no headless browser and no native dependencies. The same input always yields the same bytes, so you can hash, cache, diff, and sign the result.
PDFops.dev's answer:
Developers and AI-application builders who need to fill AcroForm fields or merge PDFs programmatically โ especially teams deploying on edge runtimes who cannot run a headless browser or native PDF binaries inside a V8 isolate.
Helps my company solve many issues. We collect information from clients and employees. We conduct surveys and collect data. Very useful software. Helps form a common opinion, conduct analysis and analytics.
One of our customers said: Our small mining operation needed to go from paper based process to digital forms. At first, Google forms allowed us to use this Web-based platform that lets individuals and businesses of all sizes build customizable forms to conduct surveys and generate real-time response charts.
We saw that a small sample of our field workers quickly adopted the new way of working.
Step 1: accomplished.
Now unto step 2.
How do we deploy this unto our whole team? We needed email notifications, offline response collection when without wifi on the field. Our CIO and his director of operations needed deep data and trends analysis as well. Our inspectors, when doing their audits, needed to capture approx. 25 high definition pictures, some audio notes and a video which wasn't really possible with google forms.
So, we can 100% credit the use of google forms to our transition towards a paperless process, but as we navigated saashub.com a little more, we were able to discover a world of alternatives. We strongly suggest to start using google forms before undergoing a big implementation plan towards such enterprise level inspection tools like nspek or even cheaper solutions like prontoforms.
I am not sure if we would start with google's solution first if we would to do this digital transformation all over, but it did allow us to discover it's limits pretty quickly.
At some point, we needed custom fields and functions, and none of us was able to code, so the nSpek training that comes with the application definitely sets it's self apart, giving us full autonomy.
Based on our record, PDFops.dev seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
// src/index.ts โ Cloudflare Worker (module syntax) Export interface Env { TEMPLATES: R2Bucket; // bucket holding your blank AcroForm PDFs } Export default { async fetch(req: Request, env: Env): Promise { if (req.method !== 'POST') { return new Response('POST a JSON body of field values', { status: 405 }); } // 1. The values to write into the form's named fields. const... - Source: dev.to / 3 days ago
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